TY  - BOOK
AU  - Hiller, Frederick S.
AU  - Leiberman, Gerald J.
TI  - Introduction to operations research: concepts and cases
SN  - 0070600929
U1  - 568.4034 
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw - Hill Publishing company Ltd.
ER  -